APBF-DEC NOx Adsorber/DPF Project: Light-Duty Passenger Car Platform
A 1.9L turbo direct injection (TDI) diesel engine was modified to achieve the upcoming Tier 2 Bin 5 emission standard in combination with a NOx adsorber catalyst (NAC) and a diesel particulate filter (DPF). The primary objective for developing this test bed is to investigating the effects of different fuel sulfur contents on the performance of an advanced emission control system (ECS) in a light-duty application. During the development process, the engine-out emissions were minimized by applying a state-of-the-art combustion system in combination with cooled exhaust gas recirculation (EGR). The subsequent calibration effort resulted in emission levels requiring 80-90 percent nitrogen-oxide (NOx) and particulate matter (PM) conversion rates by the corresponding ECS. The strategy development included ean/rich modulation for NAC regeneration, as well as, the desulfurization of the NAC and the regeneration of the DPF. Two slightly different ECS were investigated and calibrated. The initial vehicle results in an Audi A4 station wagon over the federal test procedure (FTP), US 06, and the highway fuel economy test (HFET) cycle indicate the potential of these configuration to meet the future Tier 2 emission standard.
- Research Organization:
- FEV Engine Technology, Inc; National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EE) (US)
- OSTI ID:
- 828942
- Report Number(s):
- CONF-200308-101; TRN: US200428%%913
- Resource Relation:
- Conference: 9th Diesel Engine Emissions Reduction (DEER) Workshop 2003, Newport, RI (US), 08/24/2003--08/28/2003; Other Information: APBF-DEC Light-Duty NOx Adsorber/DPF Project; PBD: 24 Aug 2003
- Country of Publication:
- United States
- Language:
- English
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